687521

This number is a prime.

Single Curio View:   (Seek other curios for this number)
There are 2 consecutive record twin prime gaps after (687521, 687523). The next 2 twin prime pairs are (688451, 688453) and (689459, 689461). The gaps have sizes 930 and 1008. [Jacobs]

Submitted: 2018-01-14 20:43:00;   Last Modified: 2018-01-14 20:49:52.
Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell